US3018155A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the manufacture of solutions
Assignee: BASF Schweiz AG
•
Filing: 1957-03-04
•
Granted: 1962-01-23
•
Expires: 1977-03-04
Abstract
No abstract record available.
Inventors
- 👤 Gaetner Hans
- 👤 Reich Ernst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 03:28
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/44; C; C09; C09B; C09B33/00; C09B33/02; C09B33/147; C09B39/00; C09B67/00; C09B67/0025; C09B67/0028; C09B67/0071; C09B67/0072; C25; C25D; C25D11/00; C25D11/02; C25D11/04; C25D11/18; C25D11/24; C25D11/243; D06P1/0048; D06P1/16; D06P1/90; D06P1/92; D06P1/928; Y; Y10; Y10S; Y10S8/00; Y10S8/92; Y10S8/922; Y10S8/924; Y10S8/927
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
17 words
A SOLUTION OF AN AZO DYESTUFF SELECTED FROM THE GROUP CONSISTING OF AZO DYESTUFFS OF THE FORMULAE
Claim 2
Dependent Claim
17 words
A SOLUTION OF AN AZO DYESTUFF SELECTED FROM THE GROUP CONSISTING OF AZO DYESTUFFS OF THE FORMULAE
References Cited (Backward Citations)
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Cited
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Cited
US2839523A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-22 | 1965-07-24 | 1966-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-22 | 1969-07-24 | 1970-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-22 | 1973-07-24 | 1974-01-23 | $7700.00 | Window Closed / Lapsed |